Don't set the hostname in the scope container when running with weavedns.

docker/entrypoint.sh

@@ -14,11 +14,6 @@ while true; do
             DNS_SERVER="$2"
             shift 2
             ;;
-        --hostname)
-            [ $# -gt 1 ] || usage
-            HOSTNAME="$2"
-            shift 2
-            ;;
         --searchpath)
             [ $# -gt 1 ] || usage
             SEARCHPATH="$2"
@@ -36,9 +31,4 @@ if [ -n "$DNS_SERVER" -a -n "$SEARCHPATH" ]; then
     echo "nameserver $DNS_SERVER" >>/etc/resolv.conf
 fi
 
-if [ -n "$HOSTNAME" ]; then
-    echo "$HOSTNAME" >/etc/hostname
-    hostname -F /etc/hostname
-fi
-
 exec /sbin/runsvdir /etc/service